using System;
using System.Windows.Forms;
using System.Drawing;
class MyForm:Form
{
	public MyForm()
	{

	}
	protected override void OnKeyDown(KeyEventArgs ea)
	{
		base.OnKeyDown(ea);
		if(((ea.KeyData&Keys.Modifiers)&Keys.Shift)==Keys.Shift   
			&& (ea.KeyData&Keys.KeyCode)==Keys.A    )
		{
			Console.WriteLine("Shift+A is pressed!");
		}

	}

	
}
class _Main
{
	static void Main()
	{
		Application.Run(new MyForm());
	}
}